Patent US2726151A successfully refreshed from Google Patents.
US2726151A
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Producing and reactivating a carrierless nickel catalyst
Assignee: Schweiz Sprengstoff-Fabrik AG
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Filing: 1950-06-10
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Granted: 1955-12-06
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Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 Kern Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:37
CPC Classifications
B; B01; B01J; B01J25/00; B01J25/04; B01J23/00; B01J23/70; B01J23/74; B01J23/755; B01J23/90; B01J23/94; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/24; B22F9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF PREPARING FINELY DIVIDED NICKEL FOR USE AS A HYDROGENATION CATALYST WHICH COMPRISES DISPERSING PARTICULATE NICKELIC HYDROXIDE IN WATER, BRINGING THE AQUEOUS DISPERSION THUS FORMED TO A TEMPERATURE OF 80* TO 150* C., AND PASSING HYDROGEN AT 40 TO 60 ATMOSPHERES THROUGH THE AQUEOUS DISPERSION
Claim 2
Independent Claim
47 words
A METHOD OF PREPARING FINELY DIVIDED NICKEL FOR USE AS A HYDROGENATION CATALYST WHICH COMPRISES DISPERSING PARTICULATE NICKELIC HYDROXIDE IN WATER, BRINGING THE AQUEOUS DISPERSION THUS FORMED TO A TEMPERATURE OF 80* TO 150* C., AND PASSING HYDROGEN AT 40 TO 60 ATMOSPHERES THROUGH THE AQUEOUS DISPERSION
References Cited (Backward Citations)
US1156068A
Cited
US1548872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |